./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:31,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:31,180 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 23:08:31,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:31,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:31,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:31,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:31,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:31,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:31,213 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:08:31,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:31,214 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:08:31,214 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:31,215 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 23:08:31,216 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 23:08:31,216 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 23:08:31,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:31,217 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:31,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:08:31,218 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:31,219 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:31,227 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:31,227 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:31,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:31,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:31,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:31,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:31,232 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:31,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:31,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15fe42cb945ebd9019cc38134c29264613097f232589ff55d01d33d66b19d85f [2023-11-24 23:08:31,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:31,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:31,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:31,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:31,568 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:31,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2023-11-24 23:08:34,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:35,279 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:35,279 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/sv-benchmarks/c/array-memsafety/cstrcspn-alloca-1.i [2023-11-24 23:08:35,311 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/data/1c2eba0a2/a313ef8cbeb44449ac1e97c78c8084b4/FLAG0a870f964 [2023-11-24 23:08:35,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/data/1c2eba0a2/a313ef8cbeb44449ac1e97c78c8084b4 [2023-11-24 23:08:35,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:35,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:35,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:35,346 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:35,352 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:35,353 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd321fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35, skipping insertion in model container [2023-11-24 23:08:35,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:35,403 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:35,833 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:35,855 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:35,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:35,983 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:35,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35 WrapperNode [2023-11-24 23:08:35,984 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:35,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:35,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:35,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:35,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,009 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,049 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2023-11-24 23:08:36,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:36,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:36,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:36,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:36,062 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,083 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,106 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,108 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:36,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:36,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:36,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:36,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:35" (1/1) ... [2023-11-24 23:08:36,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:36,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:36,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:36,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ea923a0-1d31-474e-be1b-c2c6a86105c3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:36,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:08:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:08:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:36,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:36,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:36,309 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:36,312 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:36,635 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:36,760 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:36,760 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 23:08:36,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:36 BoogieIcfgContainer [2023-11-24 23:08:36,762 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:36,763 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:36,763 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:36,774 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:36,774 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:36" (1/1) ... [2023-11-24 23:08:36,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 39 states and 46 transitions. [2023-11-24 23:08:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-24 23:08:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:08:36,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:37,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:37,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:37,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-11-24 23:08:37,335 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-24 23:08:37,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 23:08:37,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:37,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:37,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:38,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:38,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2023-11-24 23:08:38,111 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2023-11-24 23:08:38,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:08:38,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:38,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:38,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:38,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2023-11-24 23:08:38,465 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-24 23:08:38,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:08:38,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:38,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:38,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:39,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2023-11-24 23:08:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2023-11-24 23:08:39,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:08:39,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:39,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:40,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 46 states and 64 transitions. [2023-11-24 23:08:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 64 transitions. [2023-11-24 23:08:40,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:08:40,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:40,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:40,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:41,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 48 states and 73 transitions. [2023-11-24 23:08:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 73 transitions. [2023-11-24 23:08:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:41,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:41,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:42,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 50 states and 76 transitions. [2023-11-24 23:08:42,530 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 76 transitions. [2023-11-24 23:08:42,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:42,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:42,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:42,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:45,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:45,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 53 states and 82 transitions. [2023-11-24 23:08:45,015 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 82 transitions. [2023-11-24 23:08:45,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:08:45,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:45,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:45,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 56 states and 93 transitions. [2023-11-24 23:08:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 93 transitions. [2023-11-24 23:08:46,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:46,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:46,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:46,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:47,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:47,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 98 transitions. [2023-11-24 23:08:47,677 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 98 transitions. [2023-11-24 23:08:47,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:47,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:47,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:47,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:48,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 100 transitions. [2023-11-24 23:08:48,607 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 100 transitions. [2023-11-24 23:08:48,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:48,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:48,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:49,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:49,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 100 transitions. [2023-11-24 23:08:49,225 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 100 transitions. [2023-11-24 23:08:49,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:49,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:49,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:49,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:08:50,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:50,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 61 states and 100 transitions. [2023-11-24 23:08:50,250 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2023-11-24 23:08:50,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:50,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:50,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:50,990 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 64 states and 111 transitions. [2023-11-24 23:08:53,415 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 111 transitions. [2023-11-24 23:08:53,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:53,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:08:54,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 65 states and 116 transitions. [2023-11-24 23:08:54,766 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 116 transitions. [2023-11-24 23:08:54,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:54,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:08:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 66 states and 120 transitions. [2023-11-24 23:08:55,934 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 120 transitions. [2023-11-24 23:08:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:08:55,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:59,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 67 states and 124 transitions. [2023-11-24 23:08:59,036 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 124 transitions. [2023-11-24 23:08:59,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:08:59,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:04,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:04,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 70 states and 134 transitions. [2023-11-24 23:09:04,464 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 134 transitions. [2023-11-24 23:09:04,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:04,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:04,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:07,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 71 states and 137 transitions. [2023-11-24 23:09:07,093 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 137 transitions. [2023-11-24 23:09:07,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:09:07,093 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:07,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:08,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 68 states and 127 transitions. [2023-11-24 23:09:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 127 transitions. [2023-11-24 23:09:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:10,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:10,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:10,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 67 states and 126 transitions. [2023-11-24 23:09:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 126 transitions. [2023-11-24 23:09:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:10,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:10,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:11,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:11,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 69 states and 129 transitions. [2023-11-24 23:09:11,277 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 129 transitions. [2023-11-24 23:09:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:11,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:11,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 23:09:12,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:12,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 70 states and 129 transitions. [2023-11-24 23:09:12,482 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 129 transitions. [2023-11-24 23:09:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:12,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:12,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:12,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:14,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 71 states and 132 transitions. [2023-11-24 23:09:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 132 transitions. [2023-11-24 23:09:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:14,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:14,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:19,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:19,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 75 states and 141 transitions. [2023-11-24 23:09:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 141 transitions. [2023-11-24 23:09:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:19,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:09:23,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 74 states and 136 transitions. [2023-11-24 23:09:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 136 transitions. [2023-11-24 23:09:23,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:23,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:23,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:23,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:23,955 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:09:26,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:26,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 73 states and 130 transitions. [2023-11-24 23:09:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 130 transitions. [2023-11-24 23:09:26,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:26,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:26,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:26,334 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.